Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9833852 | Wire electrical discharge machining device | Kuniharu Yamada, Masaki Kougo | 2017-12-05 |
| 9770773 | Electric discharge machining apparatus | Tatsuo Toyonaga | 2017-09-26 |
| 9744607 | Power supply system for wire electric discharge machining | Kuniharu Yamada | 2017-08-29 |